Galaxy is working on a single-slot graphics card based on the GF100 in its GeForce GTX 470 version. If that didn't boggle your mind, the fact that it's not another card with a water-block, but a single-piece air-cooled card surely will. Enter the Galaxy GTX 470 model known as "Katana" in Japan and "Razor" in other markets. The PCB appears to be a little over 10 inches long, looks-wise makes use of Galaxy's Blue-silver-copper scheme from its other non-reference GTX 470 GC card.

The single-slot air cooler covers the entire length of the PCB, with a fan that draws air from both sides of the PCB, and has grills that reveal the cooler's internal network of copper air-channels, and a slab of copper that is spread across most of the PCB's area that holds the GPU and memory. The cooler makes use of vapour-chamber technology. The card draws power from 8-pin and 6-pin power connectors. It is 4-way SLI capable. It is expected that the card comes with at least NVIDIA reference clock speeds, all other specifications remain the same: 448 CUDA cores, 1280 MB of GDDR5 memory across 320-bit interface, and connectivity which includes two DVI-D and a mini HDMI. It is expected to deck up Galaxy's Computex booth.

How are they going to dissipate enough heat? It will be a technological marvel if they managed to pull this off, I remember the single slot 4850's being hot demons and this is going to pull more juice than the 4850...

How are they going to dissipate enough heat? It will be a technological marvel if they managed to pull this off, I remember the single slot 4850's being hot demons and this is going to pull more juice than the 4850...

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Twice as much to be rather exact.
4850 used 110 W while 470 uses 220 ?
could prolly be pushed down quite a few watts with undervolting, but still, gonna be noisy, hot, and mediocre performance.

With a vapor chamber base, taking the place of the DT heatpipes of the normal cooler, and copper fins instead of aluminum, I don't see how this would be that impossible. The biggest issue is going to be getting the fan to push enough air, I bet it is going to be a screamer.